<html>
<body>
 <table style="width: 600px" cellspacing=0 cellpadding=0>
   <tr>
     <td style="width: 1px" colspan=2>xxx</td>
     <td class="b">&nbsp</td>
   </tr>
   <tr>
     <td style="background: lightgreen" colspan=2>x x x x x x x x x x x x </td>
     <td style="background: gray">xxx</td>
   </tr>
   <tr>
     <td style="background: orange"   >xxx</td>
     <td style="background: lightblue">xxx</td>
     <td style="background: yellow"   >xxx</td>
   </tr>
 </table>
</body>
</html>
